if (document.images) {
  	optionsOn = new Image();
  	optionsOn.src = "../images/navs/local/membership/options_on.gif";
  	becomeOn = new Image();
  	becomeOn.src = "../images/navs/local/membership/become_on.gif";
  	optionsOff = new Image();
  	optionsOff.src = "../images/navs/local/membership/options.gif";
  	becomeOff = new Image();
  	becomeOff.src = "../images/navs/local/membership/become.gif";
}